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Finding the Fourth Proportional to 3,751.12, 5,175.12 and 2,353.60

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Solution

The fourth proportional to 3,751.12, 5,175.12 and 2,353.60 is: 3,247.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,751.12 : 5,175.12 = 2,353.60 : x
  2. Step 2: Convert to fraction form
    3,751.12/5,175.12 = 2,353.60/x
  3. Step 3: Cross multiply
    3,751.12x = 5,175.12 × 2,353.60
  4. Step 4: Simplify right side
    3,751.12x = 12,180,162.43
  5. Step 5: Solve for x
    x = 12,180,162.43/3,751.12
  6. Step 6: Final answer
    x = 3,247.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.